DESCRIPTION
The 2026 Keystone RV Cougar 355FBS is a luxury fifth wheel known for its innovative front master suite with a walk-in closet and a half-bath in the main living area.
Interior Features
- Kitchen: Includes a kitchen island, solid surface countertops, a black stainless steel undermount sink, a high-rise chef's faucet, a 16 cu. ft. 12V refrigerator, and a Furrion 21" range with a 3-burner cooktop. The entertainment center has a pivoting door that reveals a hidden pantry and prep for a cordless vacuum.
- Living Area: Features a 5,500 BTU electric fireplace with remote control, a dimmable LED HDTV, theater seating with heat and massage functions, and a booth dinette with storage drawers.
- Master Suite & Bath: The master bedroom has a king-size bed option, and leads to a large front bathroom with a spacious walk-in closet, extensive drawer space, and washer/dryer prep. A second, half-bath is located off the main living area for guests.
Exterior Features & Construction
- Construction: Utilizes a double-welded aluminum frame and high-gloss HyperCore composite sidewalls.
- Towing: Equipped with the "Towing with Confidence Package with ABS," which includes Lippert Axles with Anti-Lock Braking System, a Curt Helux Series Coil Spring Pin Box, and Rainier H-Rated 16-ply tires for improved safety and a smooth ride.
- Insulation: Features a "Climate Guard Protection Package" with a heated and enclosed underbelly, 12V heat pads on the holding tanks, and reflective foil insulation in the front cap and slide floors, making it suitable for all-season camping.
- Utilities: Comes with a tankless on-demand water heater, two power awnings with LED lighting, Solar Flex Protect (220-watt solar panel package), and an electric four-point auto-leveling system.
Specifications
Length
39 ft 3 in
Sleeps
6 people
Slideouts
3
Full specifications
Dry Weight (LBS)11,802 LBS
Exterior ColorWHITE
FloorplanCouples Coach - No Bunks, Front Bedroom
Height (IN)13'4"
Inventory OptionsDECOR - COUGAR - UMBER LUXE, EXTERIOR DECOR - COUGAR - WHITE FOG, PROFESSIONAL GRADE CAMPING PACKAGE, COUGAR INNOVATION PACKAGE, TOWING W/ CONFIDENCE PKG PLUS ABS, CLIMATE GUARD PROTECTION PKG, ELECTRIC 4 POINT LEVELING SYSTEM, 2ND POWER AWNING, SOLAR FLEX PROTECT, REFRIGERATOR - 12V - 16 CF, 2ND 15K A/C, FREE STANDING DINETTE WITH OTTOMAN, KING BED, RVIA SEAL GO CAMPING
Length (FT)39' 3"
Max Sleeping Count4
Number Of Slideouts3
Other Features2 or more ACs, King Bed, Bath and a Half, Walk-Thru Bath, 50 Amp
Shop By WeightOver 10000
Sleeps3-4
StatusAVAILABLE
Stock #9149
Total Black Water Tank Capacity (GAL)76 GAL
Total Fresh Water Tank Capacity (GAL/L)75 GAL
Total Gray Water Tank Capacity (GAL/L)76 GAL
Trim355FBS
Get more info
2026 Cougar 355FBS
Dealer information
DESCRIPTION
The 2026 Keystone RV Cougar 355FBS is a luxury fifth wheel known for its innovative front master suite with a walk-in closet and a half-bath in the main living area.
Interior Features
- Kitchen: Includes a kitchen island, solid surface countertops, a black stainless steel undermount sink, a high-rise chef's faucet, a 16 cu. ft. 12V refrigerator, and a Furrion 21" range with a 3-burner cooktop. The entertainment center has a pivoting door that reveals a hidden pantry and prep for a cordless vacuum.
- Living Area: Features a 5,500 BTU electric fireplace with remote control, a dimmable LED HDTV, theater seating with heat and massage functions, and a booth dinette with storage drawers.
- Master Suite & Bath: The master bedroom has a king-size bed option, and leads to a large front bathroom with a spacious walk-in closet, extensive drawer space, and washer/dryer prep. A second, half-bath is located off the main living area for guests.
Exterior Features & Construction
- Construction: Utilizes a double-welded aluminum frame and high-gloss HyperCore composite sidewalls.
- Towing: Equipped with the "Towing with Confidence Package with ABS," which includes Lippert Axles with Anti-Lock Braking System, a Curt Helux Series Coil Spring Pin Box, and Rainier H-Rated 16-ply tires for improved safety and a smooth ride.
- Insulation: Features a "Climate Guard Protection Package" with a heated and enclosed underbelly, 12V heat pads on the holding tanks, and reflective foil insulation in the front cap and slide floors, making it suitable for all-season camping.
- Utilities: Comes with a tankless on-demand water heater, two power awnings with LED lighting, Solar Flex Protect (220-watt solar panel package), and an electric four-point auto-leveling system.
Specifications
Length
39 ft 3 in
Sleeps
6 people
Slideouts
3
Full specifications
Dry Weight (LBS)11,802 LBS
Exterior ColorWHITE
FloorplanCouples Coach - No Bunks, Front Bedroom
Height (IN)13'4"
Inventory OptionsDECOR - COUGAR - UMBER LUXE, EXTERIOR DECOR - COUGAR - WHITE FOG, PROFESSIONAL GRADE CAMPING PACKAGE, COUGAR INNOVATION PACKAGE, TOWING W/ CONFIDENCE PKG PLUS ABS, CLIMATE GUARD PROTECTION PKG, ELECTRIC 4 POINT LEVELING SYSTEM, 2ND POWER AWNING, SOLAR FLEX PROTECT, REFRIGERATOR - 12V - 16 CF, 2ND 15K A/C, FREE STANDING DINETTE WITH OTTOMAN, KING BED, RVIA SEAL GO CAMPING
Length (FT)39' 3"
Max Sleeping Count4
Number Of Slideouts3
Other Features2 or more ACs, King Bed, Bath and a Half, Walk-Thru Bath, 50 Amp
Shop By WeightOver 10000
Sleeps3-4
StatusAVAILABLE
Stock #9149
Total Black Water Tank Capacity (GAL)76 GAL
Total Fresh Water Tank Capacity (GAL/L)75 GAL
Total Gray Water Tank Capacity (GAL/L)76 GAL
Trim355FBS
Get more info
2026 Cougar 355FBS
